❓ Frequently Asked Questions
🆓 What's included in the free version?
You get 3 FREE lessons per HSK level (18 lessons total), full access to our 163,000-word dictionary, and all basic features. No credit card required, no time limit.
💰 How much does premium cost?
Premium is $14.99/month or $99.99/year. Premium unlocks all HSK 1-6 courses (1,000+ lessons), unlimited flashcard creation, offline downloads, and advanced analytics.
🌍 What languages are supported?
MASTER HSK supports 25 languages: English, Español, Português, Français, Deutsch, Italiano, 日本語, 한국어, Русский, Nederlands, Polski, Türkçe, Svenska, Bahasa Indonesia, Čeština, Dansk, Norsk, Suomi, Magyar, Українська, Ελληνικά, Română, Slovenčina, Slovenščina, Български.
📱 Does it work offline?
Yes! Download lessons and study without internet. Perfect for flights, commutes, or areas with unstable connections. Premium users can download all content.
🧠 What is FSRS 2024?
FSRS (Free Spaced Repetition Scheduler) 2024 is the world's most advanced spaced repetition algorithm. It predicts exactly when you'll forget each word and reviews it at the perfect moment. Scientific studies show 20% better retention than traditional methods.
🎓 What's included in each HSK level?
Each level includes: vocabulary with examples, grammar explanations in your language, reading passages, listening practice with native audio, speaking exercises with AI feedback, writing practice with stroke order, and real HSK exam preparation.
🔧 Troubleshooting
App crashes or freezes
1. Update to the latest version from App Store/Google Play
2. Restart your device
3. Clear app cache (Settings → Apps → MASTER HSK → Clear Cache)
4. Reinstall the app (your progress is saved in the cloud)
If problem persists, contact support with your device model and OS version.
Audio not playing
1. Check your device volume
2. Ensure the app has audio permissions (Settings → Privacy → Microphone)
3. Try with headphones to test if it's a speaker issue
4. Download audio content again (Settings → Download Content)
Progress not syncing
1. Ensure you're logged into the same account
2. Check internet connection
3. Force sync: Settings → Account → Sync Now
4. Log out and log back in
Contact support if syncing fails after 24 hours.